Her writing style was typical of the dime novels popular in the mid-nineteenth century, featuring sweet-natured and noble heroines who triumph over evil.

[3] He was also assistant editor of the Boston newspaper Olive Branch, and after meeting Charles, Mary began writing stories and sketches for that and other periodicals.

[2] In the late 1850s, she served as editor of the Lady's Enterprise while continuing to write for periodicals such as Gleason's Literary Companion and Frank Leslie's Popular Monthly.

[3] Denison wrote to satisfy the sentimental popular tastes of the time, which included themes of domesticity and romance.

[2] Her most popular work, That Husband of Mine, sold 300,000 copies within its first month and was dedicated to "all who love happy homes.